Patents by Inventor Juichi Oka

Juichi Oka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for winding reinforcing fibers around column
    Patent number: 5720445
    Abstract: An apparatus for winding reinforcing fibers around a column is provided which comprises a non-rotatable annular frame provided around the column to be moved up and down; a rotatable annular frame provided upon the non-rotatable annular frame and arranged to be rotated around the column by a first driving motor on the non-rotatable annular frame; means provided on the rotatable annular frame for supplying reinforcing fibers around the column; at least three chain members for suspending the non-rotatable annular frame above the ground or floor level; and lift means provided at the periphery of the non-rotatable annular frame and engaged with the chain members to move up and down the non-rotatable annular frame by a second driving motors provided on the non-rotatable annular frame.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: February 24, 1998
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Mitsubishi Chemical Corporation, Obayashi Corporation
    Inventors: Hiroshi Sakurai, Juichi Oka, Masami Ito, Masahiko Ideguchi, Yuko Arimitsu, Hideo Katsumata